Balance Sheet Details - Components of Accrued Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
May 31, 2014
Aug. 31, 2013
Accrued Liabilities Current [Abstract]    
Employee-related costs $ 3,977 $ 3,931
Other accrued liabilities 5,096 4,276
Total accrued liabilities $ 9,073 $ 8,207